Finding the Fourth Proportional to 2,068,093.76, 2,853,969.44 and 1,209,375.48
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Solution
The fourth proportional to 2,068,093.76, 2,853,969.44 and 1,209,375.48 is: 1,668,938.19
Step by Step Solution
- Step 1: Write the proportion equation
2,068,093.76 : 2,853,969.44 = 1,209,375.48 : x - Step 2: Convert to fraction form
2,068,093.76/2,853,969.44 = 1,209,375.48/x - Step 3: Cross multiply
2,068,093.76x = 2,853,969.44 × 1,209,375.48 - Step 4: Simplify right side
2,068,093.76x = 3,451,520,661,405.33 - Step 5: Solve for x
x = 3,451,520,661,405.33/2,068,093.76 - Step 6: Final answer
x = 1,668,938.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.